Skip to content
UK Property Looker

3 Allen Close, Old St Mellons, Cardiff, CF3 5DH

Solar panels
Property type
Detached
Bedrooms
4
Bathrooms
2
Floor area
125 m²
1345 sq ft
Energy rating
C
Score 73
Council tax
Band G
Tenure
Owner Occupied
Overview

About 3 Allen Close

A plain-English summary derived from public records, EPC certificates, sold prices and local data.

3 Allen Close is a four-bedroom detached house in Old St. Mellons, Cardiff, Cardiff (CF3 5DH). It has a recorded floor area of 125 m² (around 1345 sq ft), construction records dating it to 1996-2002 and council tax band G. The property has solar panels on record, all of which lower running costs and tend to lift resale appeal. The latest certificate (March 2023) shows a C (score 73). The recommended improvements would push it to B (score 83).

At 125 m² the property is well over the postcode median (90 m² across 24 EPCs), placing it in the larger end of the local stock. Across 1996–2024, sale prices on this property compounded at 5% per year. On a £-per-square-foot basis, the last sale (£357/sq ft) was about 154.5% above the typical sold price in the postcode. Most recent transfer: August 2024 at £480,000.

Specifications

What this property has

Pulled from EPC certificates, claim submissions and our property model. Empty categories are hidden — we only show what's known.

Inside

  • Bedrooms4
  • Bathrooms2
  • Dining roomYes
  • EnsuiteYes

Outside

  • GarageDouble

Building

  • Solar panelsYes
Before you decide

Everything you need to know about 3 Allen Close

The true value, the hidden risks and the full sale history, in one report.

Pick your report · every report is £14.99

One time fee only - money back guarantee

Preview of the full property report

The data behind every report

  • HM Land Registry, source of sold price history
  • Department for Education, source of schools data
  • Police.uk, source of crime statistics
  • Department for Transport, source of stations and transport links
  • Environment Agency, source of flood risk data
  • Department for Environment, Food & Rural Affairs, source of road noise data
  • PlanIt, source of planning application records
Energy

Energy performance

Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.

EPC Rating

A
B
C
C73
D
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Good
CO2 Emissions
3.5 t/year
Occupancy
Owner Occupied
SDL Surveying

Get a survey for this property

Level 2 HomeBuyer Report

Late 20th centuryDetached HouseEPC C

We've checked 10 risk factors against the available data for this property and believe a Level 2 HomeBuyer Report could be a suitable option for you.

From £695 · Includes VAT

Planning

Planning history

Applications and permits filed against 3 Allen Close, Old St Mellons, Cardiff, CF3 5DH, sourced from the PlanIt planning register.

3 Allen Close has no planning applications on record.

A planning report still maps activity across the surrounding area and reads this property's extension & conversion potential.

Price

Sales history & valuation

Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.

Latest sale on 3 Allen Close was the highest on Land Registry record across the postcode.

Current estimate

£493,000

Modelled from EPC, postcode comparables and a sale-price growth of 5.0% per year over 28 years.

See how we calculated this
Last sold (2024)

£480,000

Growth on file: 5.0% per year over 28 years.

Sales timeline

  1. 14 August 2024Most recent

    £480,000

    +281.7%over 27 years

  2. 16 December 1996

    £125,750

Median price across the last 5 sales in CF3 5DH: £248,000 (2025–2020).

On the street

Versus other Allen Close homes

Four headline reads against 24 similar houses on this street, drawn from the latest EPC and Land Registry data.

Price per m² for 3 Allen Close runs comfortably ahead of the street norm.

Price per m²

£3,840

Street avg £2,256

Strongly above

Floor Area

125 m²

Street avg 98 m²

Strongly above

Habitable Rooms

7 rooms

Street avg 6 rooms

Above

CO₂ Emissions

3.5 t/year

Street avg 3.7 t/year

On par
Before you decide

Everything you need to know about 3 Allen Close

The true value, the hidden risks and the full sale history, in one report.

Pick your report · every report is £14.99

One time fee only - money back guarantee

Preview of the full property report

The data behind every report

  • HM Land Registry, source of sold price history
  • Department for Education, source of schools data
  • Police.uk, source of crime statistics
  • Department for Transport, source of stations and transport links
  • Environment Agency, source of flood risk data
  • Department for Environment, Food & Rural Affairs, source of road noise data
  • PlanIt, source of planning application records
Comparables

Similar properties nearby

A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
£596k

1 Courtenay Close, Old St Mellons

CF3 5UL

4 bed2 bath
£444k

1 Clos Hendre Gadno, Old St Mellons

CF3 5UJ

5 bed3 bath
£426k

1 Chapel Row Lane, Old St Mellons

CF3 5ST

3 bed
£274k

1 Brendon Close, Llanrumney

CF3 5RJ

3 bed1 bath
£265k

1 Axbridge Crescent, Llanrumney

CF3 5TJ

3 bed
£196k

1 Banwell Place, Llanrumney

CF3 5SH

3 bed
£195k

1 Bronte Close, Llanrumney

CF3 5PN

3 bed
£150k

1 Bluebell Drive

CF3 5RA

3 bed
Area

The neighbourhood at a glance

A condensed read of the local area. Each tile links through to the full breakdown on the Cardiff district page.
Full Cardiff report

Reported crime in the wider district is trending notably upward year-on-year.

Crime

3/mo

Rising year-on-year across the wider district.

Nearest stop

0.2 km

Llaneirwg Way — bus stop.

Go deeper on the local area

A Local Area report breaks down crime, transport links, schools and air quality in depth.

FAQ

Common questions

The questions buyers, sellers and homeowners most often ask about 3 Allen Close, Old St Mellons, Cardiff, CF3 5DH. Each answer is also embedded as structured data for search engines.